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Information about Great Black Headed Gull

Great Black-headed Gull
Conservation status
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Charadriiformes
Family:Laridae
Genus:Larus
Species:L. ichthyaetus
Binomial name
Larus ichthyaetus
Pallas, 1773, Caspian Sea
The Great Black-headed Gull or Pallas's Gull, Larus ichthyaetus, is a large gull.

This species breeds in colonies in marshes and islands from southern Russia to Mongolia. It is migratory, wintering in the eastern Mediterranean, Arabia and India. This gull nests on the ground, laying 2-4 eggs.

It occurs in western Europe only as a rare vagrant. In Great Britain a recent review left a single occurrence in 1859 as the only acceptable record of this bird.

This is a large gull, nearly the size of Great Black-backed Gull. It is 58-65 cm long with a 1.4 to 1.6 m wingspan. Summer adults are unmistakable, since no other gull of this size has a black hood. The adults have grey wings and back, with conspicuous white "mirrors" at the wing tips. The legs are yellow and the bill is red.

In all other plumages, a dark mask through the eye indicates the vestiges of the hood. The call is a deep aargh cry. Young birds attain largely grey upperparts quite rapidly, but they take four years to reach maturity.

These birds are predatory, taking fish, crustaceans, insects and even small mammals.

The Great Black-headed Gull is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.

References

conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, nor Near Threatened, nor (prior to 2001) Conservation Dependent.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758

Orders

About two dozen - see section below

Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Charadriiformes
Huxley, 1867

Families

Scolopacidae
Rostratulidae
Jacanidae
Thinocoridae
Pedionomidae
Laridae
Rhynchopidae
Sternidae
Alcidae
Stercorariidae
Glareolidae
Dromadidae
Turnicidae
Burhinidae
Chionididae
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Laridae
Vigors, 1825

Genera

Larus
Rissa
Pagophila
Rhodostethia
Xema
Creagus

Gulls are birds in the family Laridae.
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Larus
Linnaeus, 1758

Species

Many, see list

Larus is a large genus of seabirds to which most gulls belong. It has a world-wide distribution, and many of its species are abundant and well-known birds in their ranges.
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Peter Simon Pallas (September 22, 1741, Berlin — September 8, 1811, Berlin) was a German zoologist and botanist who worked in Russia.

Pallas was born in Berlin, the son of a Professor of Surgery.
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8th century - 9th century - 10th century
850s  860s  870s  - 880s -  890s  900s  910s
885 886 887 - 888 - 889 890 891

:
Subjects:     Archaeology - Architecture -
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Coordinates Coordinates:
Lake type Endorheic
Saline
Permanent
Natural
Primary sources Volga River

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Laridae
Vigors, 1825

Genera

Larus
Rissa
Pagophila
Rhodostethia
Xema
Creagus

Gulls are birds in the family Laridae.
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Anthem
Hymn of the Russian Federation


Capital
(and largest city) Moscow

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Anthem
"Монгол улсын төрийн дуулал"
National anthem of Mongolia
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Bird migration refers to the regular seasonal journeys undertaken by many species of birds. Migrations include movements of varied distances made in response to changes in food availability, habitat or weather.
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Mediterranean is a sea of the Atlantic Ocean almost completely enclosed by land: on the north by Europe, on the south by Africa, and on the east by Asia. It covers an approximate area of 2.
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Arabian Peninsula (in Arabic: شبه الجزيرة العربية, or جزيرة العرب) is a peninsula in Southwest Asia at the junction of
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Europe is one of the seven traditional continents of the Earth. Physically and geologically, Europe is the westernmost peninsula of Eurasia, west of Asia. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Sea,
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Aves
Linnaeus, 1758

Orders

About two dozen - see section below

Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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L. marinus

Binomial name
Larus marinus
(Linnaeus, 1758, Gotland, Sweden)

Distribution across the Northern Hemisphere


The Great Black-backed Gull,
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crustaceans (Crustacea) are a large group of arthropods, comprising approximately 52,000 described species [1], and are usually treated as a subphylum [2].
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Insecta
Linnaeus, 1758

Orders
Subclass Apterygota
* Archaeognatha (bristletails)
* Thysanura (silverfish)
Subclass Pterygota
* Infraclass Paleoptera (Probably paraphyletic)

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Mammalia
Linnaeus, 1758

Subclasses & Infraclasses
  • Subclass †Allotheria*
  • Subclass Prototheria
  • Subclass Theria

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The AEWA - The Agreement on the Conservation of African-Eurasian Migratory Waterbirds - is an independent international treaty developed under the auspices of the UNEP/Convention on Migratory Species.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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